单个子订单退款金额

src/main/resources/mapper/ReceiptMapper.xml

@@ -631,7 +631,8 @@
             cso.sendOutStatus,
             cso.splitFlag,
             cso.shopOtherFee,
-            s.name AS shopName
+            s.name AS shopName,
+            IFNULL((SELECT SUM(refundAmount) FROM cm_refund_shop_record WHERE shopOrderID = cso.shopOrderID AND delFlag = 0), 0) AS shopRefundAmount
         FROM cm_receipt_order_relation cror
             LEFT JOIN cm_shop_order cso ON  cso.shopOrderID = cror.orderID
             LEFT JOIN shop s ON s.shopID = cso.shopID